Finding the Fourth Proportional to 83,834.15, 115,612.04 and 55,103.05

Step by Step Solution

1. Step 1: Write the proportion equation
   83,834.15 : 115,612.04 = 55,103.05 : x
2. Step 2: Convert to fraction form
   83,834.15/115,612.04 = 55,103.05/x
3. Step 3: Cross multiply
   83,834.15x = 115,612.04 × 55,103.05
4. Step 4: Simplify right side
   83,834.15x = 6,370,575,167.15
5. Step 5: Solve for x
   x = 6,370,575,167.15/83,834.15
6. Step 6: Final answer
   x = 75,990.22